Design Aspects of Used Lubricating Oil Re-Refining

Chapter 3: Experimental, Materials andMethods 3.1 Materials 3.2 Solvent Extraction Experimental Design 3.3 Experimental Apparatus 3.3.1 The Oldershaw Sieve Plate Column 3.3.2 The Vacuum Distillation Unit 3.3.2.1 The Distillation Apparatus 3.3.2.2 The Vacuum Unit 3.3.3 Simple Vacuum Distillation Unit 3.3.4 Simple Atmospheric Distillation Unit 3.4 Experimental Procedures 3.4.1 Dehydration 3.4.2 Solvent Extraction 3.4.2.1 Optimum Solvent to Oil Ratio 3.4.2.2 Optimum Solvents Composition 3.4.2.3 Preparation of Large Amounts of Solvent Treated Oil 3.4.3 Vacuum Distillation 3.4.3.1 Used Lubricating Oil 3.4.3.2 Virgin Oil 3.4.3.3 Solvent Treated Oi 3.5 Analysis and Tests Methods

Chapter 4:The Re-refining Process Experimental Results4.1 Dehydration 4.2 Solvent Extraction 4.2.1 The Optimum Solvent to Oil Ratio 4.2.2. Optimum Solvent Composition 4.2.2.1 Model Fitting 4.2.2.2 The Optimisation Procedure 4.3 Solvent Stripping 4.4 Vacuum Distillation 4.4.1 Used Lubricating Oil 4.4.1.1.Vacuum Pressure 4.4.1.1 Boiling Points 4.4.2 Virgin Lubricating Oil 4.4.2.1 Heat Rate 4.4.2.2 Charge 4.4.3 Solvent Treated Oil 4.4.3.1 Reflux Ratio 4.4.3.2 Vacuum Pressure 4.4.3.3 Reflux Time Base 4.5 Comparison of the Properties of Used oil, Virgin Oil, and Used Solvent Treated Oil Distillates 4.6 Comparison between Used Oil, Virgin Oil and Re-refined Oil 4.7 Comparison between Still Pot, Liquid Condensate, and Vapour Temperatures 4.8 Pilot Plant and Mass Balance Calculations

Chapter 5: Re-refining Process Conclusions